Removed an extraneous rule for  x > y  and made a small correction to the code for  -x < 0  (which TBH probably will never make a difference, but hey)
Removed an extraneous rule for  x > y  and made a small correction to the code
for  -x < 0  (which TBH probably will never make a difference, but hey)

MateuszSnamina/yacas,grzegorzmazur/yacas,grzegorzmazur/yacas,grzegorzmazur/yacas,MateuszSnamina/yacas,tomaszkrysiuk/yacas,martanoga/yacas,MateuszSnamina/yacas,martanoga/yacas,MateuszSnamina/yacas,tomaszkrysiuk/yacas,qwert2003/yacas,qwert2003/yacas,martanoga/yacas,tomaszkrysiuk/yacas,qwert2003/yacas,tomaszkrysiuk/yacas,martanoga/yacas,qwert2003/yacas,MateuszSnamina/yacas,tomaszkrysiuk/yacas,tomaszkrysiuk/yacas,grzegorzmazur/yacas,qwert2003/yacas,MateuszSnamina/yacas,qwert2003/yacas,martanoga/yacas,martanoga/yacas,grzegorzmazur/yacas,martanoga/yacas,tomaszkrysiuk/yacas,grzegorzmazur/yacas,grzegorzmazur/yacas,MateuszSnamina/yacas,qwert2003/yacas